WEEKLY ACTIVITIES

Moduli space of complexes on Gorenstein Calabi-Yau curves
Speaker: Zheng Hua (University of Hong Kong)

Time: 15h15, 25/11/2022

Zoom link:

https://us02web.zoom.us/j/85114528712?pwd=Z0tyalN1MVQ0MGxKc3M0bG9sUFBxZz09

Meeting ID: 851 1452 8712

Passcode: 608225

Abstract: Together with Alexander Polishchuk, we prove that the (derived) moduli stack of complexes of vector bundles over a Gorenstein Calabi-Yau curve admits a 0-shifted Poisson structure. Many interesting Poisson varieties are components of this moduli stack, including Hilbert scheme of points on Fano surfaces, semi-classical limits of Feigin-Odesskii elliptic algebras, Log canonical Poisson structures on projective spaces, etc. We are able to prove several new results in classical Poisson geometry using this modular interpretation.

Website of the AGEA seminar:

https://sites.google.com/ncts.ntu.edu.tw/agea-seminar

Mirror site

http://www.math.ntu.edu.tw/~jkchen/agea-seminar.html

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